High 8.8Published Apr 18, 2026

CVE-2026-30898Apache Airflow: Bad example of BashOperator shell injection via dag_run.conf

Updated under an hour ago (Oct 26, 2026, 4:40 PM ET)

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It affects Apache Software Foundation Apache Airflow and 1 other product. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for Apache Software Foundation Apache Airflow

Exploited in the last 30 days

An example of BashOperator in Airflow documentation suggested a way of passing dag_run.conf in the way that could cause unsanitized user input to be used to escalate privileges of UI user to allow execute code on worker. Users should review if any of their own DAGs have adopted this incorrect advice.

CVSS: 8.8 HIGH (v3.1, CISA ADP)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE): CWE-77
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: apache
NVD analysis: Analyzed
Record last updated: Apr 21, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Apache Software Foundation Apache Airflow apache_software_foundation:apache_airflow (from the name)	before 3.2.0	CNA record
apache airflow apache:airflow	before 3.2.0	NVD

References

References

https://github.com/apache/airflow/pull/64129	patch, issue-tracking
https://lists.apache.org/thread/26zmhfj1t95c1hld2r14ho81nzh1bdc8	vendor-advisory, mailing-list
http://www.openwall.com/lists/oss-security/2026/04/17/7	mailing-list, third-party-advisory

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.